PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43426-2Washer,flat

United States Department of the Navy Dba Naval Surface Warfare Center Panama City · NSN 5310-01-641-8166 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-641-8166 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-641-8166. Primary manufacturer part number: 43426-2.
Features
  • Washer,flat — FSC 5310
  • 2 verified cross-references
  • Primary manufacturer: United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-641-8166, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is United States Department of the Navy Dba Naval Surface Warfare Center Panama City. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City (CAGE 07070)
Technical Specifications
ParameterValue
NSN5310-01-641-8166
Primary Part Number43426-2
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerUnited States Department of the Navy Dba Naval Surface Warfare Center Panama City
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5905-01-036-7882 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5120-01-157-64684342-6 INTERCHANGEABLE
Tool,tang Breakoff
Stanley Engineered Fastening Llc
3040-01-459-6836MMS0021-106-300 INTERCHANGEABLE
Collar,shaft
The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc
Cross-Reference Index
Part NumberManufacturer
43426-2 PRIMARY United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
43426 United States Department of the Navy Dba Naval Surface Warfare Center Panama City (USA)
Related Parts
5905-01-036-7882INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5120-01-157-6468INTERCHANGEABLE
TOOL,TANG BREAKOFF
4342-6
3040-01-459-6836INTERCHANGEABLE
COLLAR,SHAFT
MMS0021-106-300

Frequently Asked Questions

What is NSN 5310-01-641-8166?

NSN 5310-01-641-8166 is a Washer,flat, manufactured by United States Department of the Navy Dba Naval Surface Warfare Center Panama City, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-641-8166?

NSN 5310-01-641-8166 has 2 cross-referenced part numbers: 43426-2 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City), 43426 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).

What NSN replaces 5310-01-641-8166?

There are 3 known substitutes for 5310-01-641-8166: 5905-01-036-7882, 5120-01-157-6468, 3040-01-459-6836. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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